The average bus between Howth and Trim Castle takes 2h 20m and the fastest bus takes 1h 41m. There is a bus service every few hours from Howth to Trim Castle. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Howth and Trim Castle. The earliest departure is at 6:03 AM in the morning, and the last departure from Howth is at 10:31 PM which arrives into Trim Castle at 12:13 AM. All services require a transfer at Talbot Street East and take an average of 2h 20m. The schedules shown below are for the next available departures.

2h 30m • 1 change

2h 44m • 1 change

2h 55m • 1 change

2h 47m • 1 change

2h 22m • 1 change

2h 25m • 1 change

2h 21m • 1 change

2h 29m • 1 change

2h 22m • 1 change

2h 25m • 1 change

2h 21m • 1 change

2h 29m • 1 change
Want to know about travelling from Howth to Trim Castle? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Howth to Trim Castle. However, there are services departing from Howth station and arriving at Trim Castle station via Talbot Street East. The journey, including transfers, takes approximately 2h 20m.
Howth to Trim Castle bus services, operated by Dublin Bus, depart from Main Street Howth station.
Howth to Trim Castle bus services, operated by Dublin Bus, arrive at Trim Ring Road station.
The distance between Howth and Trim Castle is 51.5 km. The road distance is 60 km.
You can take a bus from Main Street Howth to Trim Castle via Talbot Street East, Dublin Busáras, and Trim Ring Road in around 2h 28m.